Practice
CNC Turning Center G-Code: How Lathe Codes Differ
Turning shares the common codes with milling but adds lathe-specific ones: constant surface speed, diameter mode, and turning cycles. Here is what to practice.
Lawrence Arya··5 min
Practice
Common Mistakes to Avoid in a CNC Practical Exam
Most practical-exam failures are avoidable: rushing, wrong units, skipping offset checks, and freezing on a code. Here are the common ones and how to dodge them.
Lawrence Arya··5 min
Practice
Common Questions Asked in a CNC Operator Interview
The questions CNC operator interviews actually ask: technical (read this code), safety, experience, and attitude. Here is how to answer each well.
Lawrence Arya··5 min
Practice
Do I Need to Memorize G-Code for the NIMS Test?
You do not need to memorize the whole G-code standard for a NIMS test, but you do need fast recall of the common codes. Here is the line between the two.
Lawrence Arya··5 min
Practice
Is There a Duolingo for CNC Programming?
The Duolingo idea, short daily lessons, streaks, and spaced review, maps almost perfectly onto learning G-code. Here is why, and what to look for in a tool.
Lawrence Arya··5 min
Practice
CNC Flashcards for Visual Learners: Do They Help?
Visual flashcards (color-coded codes, little toolpath sketches) make CNC codes easier to recall through dual coding, which helps most people, not just 'visual learners'.
Lawrence Arya··5 min
Practice
Free NIMS CNC Operator Study Guide (Structured Plan)
A free, structured study plan for the NIMS CNC operator credential: what to learn, in what order, with free resources for each part.
Lawrence Arya··5 min
Guides
FSWizard Alternative for G-Code Practice: Calculator vs Recall
FSWizard is a speeds-and-feeds calculator, not a code-practice tool. If you want to memorize G-code, here is the kind of alternative you actually need.
Lawrence Arya··5 min
Practice
G-Code Fill-in-the-Blank Quiz: Why This Format Sticks
A fill-in-the-blank quiz forces you to produce the answer, not pick it. For CNC codes that is the format that builds real recall. Here is how to use it.
Lawrence Arya··5 min
Practice
G-Code Flashcards You Can Download: Generic Decks vs CNC Drills
You can make or download G-code flashcards for offline study, but generic decks miss the CNC-specific mix-ups and timing. Here is how to get both.
Lawrence Arya··5 min
Guides
G-Code for Mechanical Engineers: A Crash Course
Engineers do not need to hand-write programs, but reading G-code helps you verify CAM output and talk to machinists. Here is the focused crash course.
Lawrence Arya··5 min
Code reference
Thread Milling vs Tapping: The G-Code Difference
Tapping uses a canned cycle like G84; thread milling uses helical interpolation with G02 or G03 plus Z. Here is how the two approaches differ in code.
Lawrence Arya··5 min